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Blackley, United Kingdom

Andrew John Logan

Average Co-Inventor Count = 3.00

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 5

Andrew John Logan ↔ Ronald W Kenyon (2 patents)Andrew John Logan ↔ Colin William Greenhalgh (2 patents)Andrew John LoganAndrew John Logan (2 patents)Ronald W KenyonRonald W Kenyon (39 patents)Colin William GreenhalghColin William Greenhalgh (10 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Imperial Chemical Industries Limited (2 from 3,840 patents)


2 patents:

1. 3995994 - Disperse dyestuff mixtures

2. 3994679 - Disperse dyestuff mixtures

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as of
12/30/2025
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